Global Patent Index - EP 0796831 A1

EP 0796831 A1 19970924 - Method of producing porous ceramic molded material

Title (en)

Method of producing porous ceramic molded material

Title (de)

Verfahren zur Herstellung eines porösen keramischen Formmaterials

Title (fr)

Procédé de préparation d'un matériau céramique poreux moulé

Publication

EP 0796831 A1 19970924 (EN)

Application

EP 96301824 A 19960318

Priority

  • EP 96301824 A 19960318
  • JP 23056594 A 19940831

Abstract (en)

A porous ceramic molded material producing method which enables pores to be readily formed in a ceramic molded material without any residue while making it possible to control the porosity, the pore size, etc. in the porous ceramic molded material produced. A ceramic base in a dry or wet state is mixed with a super absorbent polymer, and the mixture is molded into a predetermined shape. Then, the molded material is subjected to dielectric heating in a high-frequency dielectric heater to form a dried molded material in which the base has become porous. Thereafter, the dried molded material is fired in a firing oven.

IPC 1-7

C04B 38/00; C04B 38/06

IPC 8 full level

C04B 35/634 (2006.01); C04B 38/00 (2006.01); C04B 38/02 (2006.01); C04B 38/06 (2006.01)

CPC (source: EP)

C04B 35/634 (2013.01); C04B 38/00 (2013.01); C04B 38/02 (2013.01); C04B 2103/0049 (2013.01); C04B 2103/0051 (2013.01)

Citation (search report)

  • [A] EP 0083004 A2 19830706 - BAYER AG [DE]
  • [E] CHEMICAL ABSTRACTS, vol. 124, no. 26, 24 June 1996, Columbus, Ohio, US; abstract no. 350606, MATSUSHITA MITSUHIRO & AL.: "Manufacture of porous ceramics" XP002011549 & JP H0873282 A 19960319 - TAKUMI SEKKEI KK
  • [XA] DATABASE WPI Section Ch Week 8745, Derwent World Patents Index; Class L02, AN 87-318137, XP002011538
  • [A] DATABASE WPI Section Ch Week 8644, Derwent World Patents Index; Class A93, AN 86-287892, XP002011537
  • [A] CHEMICAL ABSTRACTS, vol. 104, no. 22, 2 June 1986, Columbus, Ohio, US; abstract no. 191788, SUZUKI KENJI & AL.: "Manufacture of porous clay material" XP002011536 & JP S60215516 A 19851028 - KOGYO GIJUTSUIN
  • [A] PATENT ABSTRACTS OF JAPAN vol. 018, no. 093 (C - 1166) 16 February 1994 (1994-02-16)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0796831 A1 19970924; JP H0873282 A 19960319

DOCDB simple family (application)

EP 96301824 A 19960318; JP 23056594 A 19940831